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3 years ago

8

How do you know from a graph if a relationship is a direct variation?

1 answer:

Marianna [84]3 years ago

8 0

Answer:

A direct variation is when x and y (or f(x) and x) are directly proportional to each other... For example, if you have a chart that says x and y, and in the x column is 1, 2 and 3, and the y column says 2, 4 and 6... then you know it's proportional because for each x, y increases by 2

Step-by-step explanation:

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Answer:

Null hypothesis : $H_0 = \mu \leq 72$

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Step-by-step explanation:

To Find : State the hypotheses to be tested.

Solution

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Standard deviation = 20

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Alternate hypothesis : $H_a = \mu = 72$

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